Question

51x + 71x + 8x + 71x = 815

Answer 1

。。。。Answer 。。。。

$51x + 71x + 8x + 71x = 815 \\ \\ = \geqslant 122x + 79x = 815 \\ \\ = \geqslant 201x = 815 \\ \\ = \geqslant x = \frac{815}{201}$

Answer 2

Answer:

$\sf 51x+71x+8x+71x=815$

$\sf 122x+79x=815$

$\sf 201x=815$

$\sf x= \frac{815}{201}$